OPENING AND CLOSING SYSTEM FOR AN AUTOMATIC DOOR

摘要

PURPOSE: An opening and closing system of automatic sliding door is provided to operate opening and closing of the door even if the power supply is quarantined. CONSTITUTION: An opening and closing system of automatic sliding door comprises a motor, a first pulley(110), a second pulley(120), a first belt(130), a first door(140), a second door(150) and a dropping member(160). The motor is driven with power source from outside. The first pulley and the second pulley revolve according to the operation of the motor. The first belt is connected to the first pulley and the second pulley and converts the rotational motion of the second pulley into the linear motion. The first door and the second door are connected to the first belt and slides according to the operation of the first door. The dropping member falls down so that the first door and the second door be opened when the power provided from outside is quarantined.